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  1. #1
    Join Date
    Aug 2010
    Location
    BC Canada
    Posts
    368

    Default What is this insulation?

    Built in 1970. this brown stuff at the bottom of attic insulation; the cellulose & fiberglass added on top, no vapor barrier found.

    What is this? Thank you.

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  2. #2
    Join Date
    Feb 2009
    Location
    Southern Vancouver Island
    Posts
    4,546

    Default Re: What is this insulation?

    Wood fibre insulation.
    It is treated with a fire retardant and maybe a dye that gives it that colour. I have tried to burn it, 50 years old, no way.
    I normally would not see it in a 70's house, usually much older houses.

    John Kogel, RHI, BC HI Lic #47455
    www.allsafehome.ca

  3. #3
    Join Date
    Aug 2010
    Location
    BC Canada
    Posts
    368

    Default Re: What is this insulation?

    Thank you John


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